Telegraph switching system



Aug. 1, 19,61 R. E. s'roFFELs ET AL 2,994,737

TELEGRAPH swITcHING SYSTEM Filed April 21, 1958 47 sheets-sheet Aug. l, 1961 R. E. sToFFELs ET AL TELEGRAPH swITcHING SYSTEM 47 Sheets-Sheet 2 Filed April 21, 1958 w52. SEX;

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TELEGRAPH SWITCHING SYSTEM Filed April 21, 1958 47 sheets-sheet s x C329X5 -Lx sENsING coNTRoL L 47ox5\ LINE APPARATUS aos MESSAGE PARATOR 022x Iooox |023 FIG. 3

R. E. sToFFELs ETAL 2,994,737

TELEGRAPH swITcHING SYSTEM Aug. 1, 1961 Filed April 21, 17958 47 Sheets-Sheet 4 S 0 M DETECTOR Aug. 1, 1961 R. E. sToFFELs ET AL 2,994,737

TELEGRAPH swITcHING SYSTEM Filed April 21, 1958 47 Sheets-Sheet 5 FIGS Aug. l, 1.961 R. E. sToFFELs ET AL 2,994,737

TELEGRAPH swITcHING SYSTEM Filed April 2l, 1958 W N U Y R O E V R E P U S REGISTER FINDER TO OTHER REGISTER lFIG? 47 Sheets-Sheet 8 ceoluanza) w r caosus) eso r i fclaomzxls) lfcaeauomm foeosa) fcasuemza) ce 93(20) y c [575mm R. E. STOFFELS ET AL TELEGRAPH SWITCHING SYSTEM SUPERVISORY UNIT l l l l I'Y Aug. 1, 1961 Filed April 21, 1958 ,celozn @llimmml FIG.8

Aug. 1, 1961 R. sToFFELs ET AL 2,994,737

TELEGRAPH SWITCHING SYSTEM Filed April 21, 1958 47 Sheets-Sheet 9 l u FINDER 900 l I MMIF BIO I i l N1* 93o "I L., fcsssxm) FIGS? Aug. 1, 1961 R. E. sToFFELs ET AL 2,994,737

TELEGRAPH swITcHING SYSTEM Filed April 2l, 1958 4'? Sheets-Sheet 10 FINDER 900 FIGIO Aug- 1, 1961 R. E. sToFFELs ET AL 2,994,737

TELEGRAPH SWITCHING SYSTEM 47 Sheets-Sheet l1 Filed April 21, 1958 mme n 'Ruza 'F159 'Ellas' ROUTE REGISTER IIOO FIGII 47 Sheets-Sheet 12 QIIIIIIVAIONIII.

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4'7 Sheets-Sheet 13 Aug. 1, 1961 R. E. STOFFELS ET AL TELEGRAPH swITcHING SYSTEM Filed April 2l, 1958 ROUTE REGISTER Aug. 1, 1961 R. E. sToFFELs ET AL 2,994,737

TELEGRAPH SWITCHING SYSTEM Filed April 2l, 1958 47 Sheets-Sheet 15 PRECEDENCE REGISTER C2303 (23)(IO) CIZOHB) CR (Il) 47 Sheets-Sheet 16 R. E. STOFFELS ET AL TELEGRAPH SWITCHING SYSTEM Aug. 1, 1961 Filed April 2l, 1958 Aug. 1, 1961 R. E. sToFFELs ETAL 2,994,737

TELEGRAPH swITcHING SYSTEM 47 Sheets-Sheet 17 Filed April 2l, 1958 Aug, 1., 1961 Rasi-@Fins ET AL 2,994,737

TEUEGRAHH fswmcHING SYSTEM 47 Sheets-Sheet 18 am: am: am: Oo;J @Soli l? E OQo o o o o o o o O3 Otago o o Y Avmlfu ----A O O O O O O O l n l l I OM .+O y 1+ n* 4 l* y EEES Dw A I ONE E: O 00 0 0 O O O v *n *mw E otu G :ow 2E t lwl M .EFE H H H 5h55: H M H oolo-- HSE 1 i l @M l E352 S x E t oct Aug. l, 1951 R. E. sToFFELs ETAL 2,994,737

TELEGRAPH SWITCHING SYSTEM 47 Sheets-Sheet 19 Filed April 2l, 1958 N mcoomo mooomo Amin-o9 Q50: 0 2; :d wm mi@ Cam o Aug. l, 1951 R. E. sToFFELs ET AL 2,994,737

TELEGRAPH SWITCHING SYSTEM Filed April 21, 1958 47 Sheets-Sheet 2O 

